<template>
  <div style="border: 1px solid #ccc">
    <Toolbar
      style="border-bottom: 1px solid #ccc"
      :editor="editorRef"
      :defaultConfig="toolbarConfig"
      :mode="'default'"
    />
    <Editor
      style="height: 500px; overflow-y: hidden"
      v-model="valueHtml"
      :defaultConfig="editorConfig"
      :mode="'default'"
      @onCreated="handleCreated"
      @onChange="handelCahne"
    />
  </div>
</template>

<script lang="ts" setup>
import "@wangeditor/editor/dist/css/style.css"; // 引入 css

import {
  onBeforeUnmount,
  ref,
  shallowRef,
  onMounted,
  defineEmits,
  watch,
} from "vue";
import { Editor, Toolbar } from "@wangeditor/editor-for-vue";
interface Props {
  valueText: string;
}
const props = defineProps<Props>();
const emit = defineEmits(["changeText"]);
// 编辑器实例，必须用 shallowRef
const editorRef = shallowRef();

// 内容 HTML
const valueHtml = ref("");

// 模拟 ajax 异步获取内容
onMounted(() => {
  setTimeout(() => {
    if (props.valueText) {
      editorRef.value.children = JSON.parse(props.valueText);
      editorRef.value.updateView();
    }
  }, 500);
});

const toolbarConfig = {};
const editorConfig = { placeholder: "请输入内容..." };

// 组件销毁时，也及时销毁编辑器
onBeforeUnmount(() => {
  const editor = editorRef.value;
  if (editor == null) return;
  editor.destroy();
});

const handleCreated = (editor) => {
  editorRef.value = editor; // 记录 editor 实例，重要！
};
const handelCahne = (editor) => {
 
  const len = editor.getText().length;
  if (len > 0) {
    
    emit("changeText", JSON.stringify(editor.children));
  }
};
</script>
